September weather in Grayling, MI
The average temperature in Grayling in September is 58.0°F (45.3°F–70.7°F). Average precipitation: 3.22 inches.
September is a fall month in Grayling, and is warmer than the annual average of 43.3°F. Daily temperatures swing about 25.4°F between overnight low and afternoon high. Expect about 14 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
70.7°F
Avg Low
45.3°F
Precipitation
3.22 in
Daylight
12h 18m
September records in Grayling
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (1953) | 28.0°F (1896) | 2.00 in (1975) |
| September 2 | 100.9°F (1933) | 30.9°F (1916) | 1.50 in (1905) |
| September 3 | 97.0°F (1933) | 28.0°F (1987) | 1.30 in (1937) |
| September 4 | 93.9°F (1929) | 26.1°F (1896) | 1.45 in (1958) |
| September 5 | 93.9°F (1933) | 32.0°F (1974) | 1.96 in (1977) |
| September 6 | 91.0°F (1901) | 28.9°F (1984) | 1.15 in (1893) |
| September 7 | 91.9°F (1960) | 32.0°F (1988) | 2.01 in (1938) |
| September 8 | 93.9°F (1933) | 30.0°F (1979) | 1.71 in (2021) |
| September 9 | 93.9°F (1897) | 25.0°F (1944) | 1.15 in (1931) |
| September 10 | 95.0°F (1908) | 28.0°F (1995) | 1.40 in (1993) |
| September 11 | 95.0°F (1931) | 25.0°F (1943) | 1.28 in (1986) |
| September 12 | 95.0°F (1931) | 19.9°F (1943) | 1.68 in (1986) |
| September 13 | 93.9°F (1931) | 26.1°F (1943) | 1.96 in (1961) |
| September 14 | 93.0°F (1939) | 25.0°F (1899) | 2.10 in (1961) |
| September 15 | 91.9°F (1939) | 27.0°F (1923) | 1.82 in (1978) |
| September 16 | 89.1°F (1955) | 21.9°F (1986) | 1.03 in (1936) |
| September 17 | 88.0°F (1906) | 25.0°F (1943) | 1.61 in (1992) |
| September 18 | 89.1°F (1955) | 26.1°F (1990) | 0.98 in (1927) |
| September 19 | 88.0°F (1895) | 24.1°F (2020) | 2.00 in (1907) |
| September 20 | 90.0°F (1895) | 25.0°F (1929) | 1.60 in (1945) |
| September 21 | 89.1°F (1895) | 24.1°F (1897) | 2.40 in (1947) |
| September 22 | 93.0°F (2017) | 19.9°F (1896) | 2.20 in (1973) |
| September 23 | 91.9°F (2017) | 21.9°F (1944) | 1.10 in (2003) |
| September 24 | 91.0°F (2017) | 17.1°F (1943) | 1.50 in (1904) |
| September 25 | 90.0°F (2017) | 18.0°F (1943) | 2.30 in (1941) |
| September 26 | 89.1°F (1920) | 25.0°F (1893) | 2.22 in (2005) |
| September 27 | 88.0°F (1908) | 16.0°F (1989) | 1.50 in (1986) |
| September 28 | 84.9°F (1905) | 21.9°F (1896) | 2.00 in (1907) |
| September 29 | 86.0°F (1905) | 19.0°F (1893) | 1.63 in (1972) |
| September 30 | 87.1°F (1897) | 21.0°F (1984) | 2.50 in (1896) |